fix(lite/deploy): download XVA from http://xoa.io/xva

Fixes https://xcp-ng.org/forum/post/86439

Other deploy methods (shell and vates.tech) uses this endpoint.

It should no longer be necessary to use the HTTP/1.0 special http://xoa.io:8888 endpoint.

@xen-orchestra/lite/src/views/xoa-deploy/XoaDeployView.vue

@@ -363,7 +363,7 @@ async function deploy() {
 
     vmRef.value = (
       (await xapi.call('VM.import', [
-        'http://xoa.io:8888/',
+        'http://xoa.io/xva',
         selectedSr.value.$ref,
         false, // full_restore
         false, // force